Home / 5,528.40-7,629.18-3,010.47

Finding the Fourth Proportional to 5,528.40, 7,629.18 and 3,010.47

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Solution

The fourth proportional to 5,528.40, 7,629.18 and 3,010.47 is: 4,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.40 : 7,629.18 = 3,010.47 : x
  2. Step 2: Convert to fraction form
    5,528.40/7,629.18 = 3,010.47/x
  3. Step 3: Cross multiply
    5,528.40x = 7,629.18 × 3,010.47
  4. Step 4: Simplify right side
    5,528.40x = 22,967,417.51
  5. Step 5: Solve for x
    x = 22,967,417.51/5,528.40
  6. Step 6: Final answer
    x = 4,154.44

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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.