Home / 5,731,612.08-7,910,182.89-4,278,784.74

Finding the Fourth Proportional to 5,731,612.08, 7,910,182.89 and 4,278,784.74

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Solution

The fourth proportional to 5,731,612.08, 7,910,182.89 and 4,278,784.74 is: 5,905,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731,612.08 : 7,910,182.89 = 4,278,784.74 : x
  2. Step 2: Convert to fraction form
    5,731,612.08/7,910,182.89 = 4,278,784.74/x
  3. Step 3: Cross multiply
    5,731,612.08x = 7,910,182.89 × 4,278,784.74
  4. Step 4: Simplify right side
    5,731,612.08x = 33,845,969,840,341.10
  5. Step 5: Solve for x
    x = 33,845,969,840,341.10/5,731,612.08
  6. Step 6: Final answer
    x = 5,905,139.67

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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.