Home / 7,503.28-10,354.47-4,146.07

Finding the Fourth Proportional to 7,503.28, 10,354.47 and 4,146.07

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Solution

The fourth proportional to 7,503.28, 10,354.47 and 4,146.07 is: 5,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.28 : 10,354.47 = 4,146.07 : x
  2. Step 2: Convert to fraction form
    7,503.28/10,354.47 = 4,146.07/x
  3. Step 3: Cross multiply
    7,503.28x = 10,354.47 × 4,146.07
  4. Step 4: Simplify right side
    7,503.28x = 42,930,357.43
  5. Step 5: Solve for x
    x = 42,930,357.43/7,503.28
  6. Step 6: Final answer
    x = 5,721.55

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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.