Home / 5,460.90-7,434.60-5,412.30

Finding the Fourth Proportional to 5,460.90, 7,434.60 and 5,412.30

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Solution

The fourth proportional to 5,460.90, 7,434.60 and 5,412.30 is: 7,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.90 : 7,434.60 = 5,412.30 : x
  2. Step 2: Convert to fraction form
    5,460.90/7,434.60 = 5,412.30/x
  3. Step 3: Cross multiply
    5,460.90x = 7,434.60 × 5,412.30
  4. Step 4: Simplify right side
    5,460.90x = 40,238,285.58
  5. Step 5: Solve for x
    x = 40,238,285.58/5,460.90
  6. Step 6: Final answer
    x = 7,368.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.