Home / 5,338,543.59-7,367,099.12-2,891,134.76

Finding the Fourth Proportional to 5,338,543.59, 7,367,099.12 and 2,891,134.76

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Solution

The fourth proportional to 5,338,543.59, 7,367,099.12 and 2,891,134.76 is: 3,989,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,543.59 : 7,367,099.12 = 2,891,134.76 : x
  2. Step 2: Convert to fraction form
    5,338,543.59/7,367,099.12 = 2,891,134.76/x
  3. Step 3: Cross multiply
    5,338,543.59x = 7,367,099.12 × 2,891,134.76
  4. Step 4: Simplify right side
    5,338,543.59x = 21,299,276,346,197.41
  5. Step 5: Solve for x
    x = 21,299,276,346,197.41/5,338,543.59
  6. Step 6: Final answer
    x = 3,989,716.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.