Home / 7,569.72-10,445.49-5,581.35

Finding the Fourth Proportional to 7,569.72, 10,445.49 and 5,581.35

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Solution

The fourth proportional to 7,569.72, 10,445.49 and 5,581.35 is: 7,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.72 : 10,445.49 = 5,581.35 : x
  2. Step 2: Convert to fraction form
    7,569.72/10,445.49 = 5,581.35/x
  3. Step 3: Cross multiply
    7,569.72x = 10,445.49 × 5,581.35
  4. Step 4: Simplify right side
    7,569.72x = 58,299,935.61
  5. Step 5: Solve for x
    x = 58,299,935.61/7,569.72
  6. Step 6: Final answer
    x = 7,701.73

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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.