Home / 7,354.47-10,148.43-4,167.51

Finding the Fourth Proportional to 7,354.47, 10,148.43 and 4,167.51

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Solution

The fourth proportional to 7,354.47, 10,148.43 and 4,167.51 is: 5,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.47 : 10,148.43 = 4,167.51 : x
  2. Step 2: Convert to fraction form
    7,354.47/10,148.43 = 4,167.51/x
  3. Step 3: Cross multiply
    7,354.47x = 10,148.43 × 4,167.51
  4. Step 4: Simplify right side
    7,354.47x = 42,293,683.51
  5. Step 5: Solve for x
    x = 42,293,683.51/7,354.47
  6. Step 6: Final answer
    x = 5,750.75

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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.