Home / 5,124.30-7,675.65-4,152.30

Finding the Fourth Proportional to 5,124.30, 7,675.65 and 4,152.30

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Solution

The fourth proportional to 5,124.30, 7,675.65 and 4,152.30 is: 6,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.30 : 7,675.65 = 4,152.30 : x
  2. Step 2: Convert to fraction form
    5,124.30/7,675.65 = 4,152.30/x
  3. Step 3: Cross multiply
    5,124.30x = 7,675.65 × 4,152.30
  4. Step 4: Simplify right side
    5,124.30x = 31,871,601.50
  5. Step 5: Solve for x
    x = 31,871,601.50/5,124.30
  6. Step 6: Final answer
    x = 6,219.70

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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.