Home / 7,442.27-10,270.64-4,457.51

Finding the Fourth Proportional to 7,442.27, 10,270.64 and 4,457.51

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Solution

The fourth proportional to 7,442.27, 10,270.64 and 4,457.51 is: 6,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.27 : 10,270.64 = 4,457.51 : x
  2. Step 2: Convert to fraction form
    7,442.27/10,270.64 = 4,457.51/x
  3. Step 3: Cross multiply
    7,442.27x = 10,270.64 × 4,457.51
  4. Step 4: Simplify right side
    7,442.27x = 45,781,480.51
  5. Step 5: Solve for x
    x = 45,781,480.51/7,442.27
  6. Step 6: Final answer
    x = 6,151.55

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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.