Home / 7,430.57-10,254.31-4,446.53

Finding the Fourth Proportional to 7,430.57, 10,254.31 and 4,446.53

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Solution

The fourth proportional to 7,430.57, 10,254.31 and 4,446.53 is: 6,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.57 : 10,254.31 = 4,446.53 : x
  2. Step 2: Convert to fraction form
    7,430.57/10,254.31 = 4,446.53/x
  3. Step 3: Cross multiply
    7,430.57x = 10,254.31 × 4,446.53
  4. Step 4: Simplify right side
    7,430.57x = 45,596,100.45
  5. Step 5: Solve for x
    x = 45,596,100.45/7,430.57
  6. Step 6: Final answer
    x = 6,136.28

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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.