Home / 5,424.02-8,136.06-1,528.46

Finding the Fourth Proportional to 5,424.02, 8,136.06 and 1,528.46

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Solution

The fourth proportional to 5,424.02, 8,136.06 and 1,528.46 is: 2,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.02 : 8,136.06 = 1,528.46 : x
  2. Step 2: Convert to fraction form
    5,424.02/8,136.06 = 1,528.46/x
  3. Step 3: Cross multiply
    5,424.02x = 8,136.06 × 1,528.46
  4. Step 4: Simplify right side
    5,424.02x = 12,435,642.27
  5. Step 5: Solve for x
    x = 12,435,642.27/5,424.02
  6. Step 6: Final answer
    x = 2,292.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.