Home / 7,484.77-10,320.55-4,792.47

Finding the Fourth Proportional to 7,484.77, 10,320.55 and 4,792.47

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Solution

The fourth proportional to 7,484.77, 10,320.55 and 4,792.47 is: 6,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.77 : 10,320.55 = 4,792.47 : x
  2. Step 2: Convert to fraction form
    7,484.77/10,320.55 = 4,792.47/x
  3. Step 3: Cross multiply
    7,484.77x = 10,320.55 × 4,792.47
  4. Step 4: Simplify right side
    7,484.77x = 49,460,926.26
  5. Step 5: Solve for x
    x = 49,460,926.26/7,484.77
  6. Step 6: Final answer
    x = 6,608.21

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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.