Home / 4,543.49-6,820.10-3,688.13

Finding the Fourth Proportional to 4,543.49, 6,820.10 and 3,688.13

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Solution

The fourth proportional to 4,543.49, 6,820.10 and 3,688.13 is: 5,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.49 : 6,820.10 = 3,688.13 : x
  2. Step 2: Convert to fraction form
    4,543.49/6,820.10 = 3,688.13/x
  3. Step 3: Cross multiply
    4,543.49x = 6,820.10 × 3,688.13
  4. Step 4: Simplify right side
    4,543.49x = 25,153,415.41
  5. Step 5: Solve for x
    x = 25,153,415.41/4,543.49
  6. Step 6: Final answer
    x = 5,536.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.