Home / 5,657.18-8,484.15-1,958.45

Finding the Fourth Proportional to 5,657.18, 8,484.15 and 1,958.45

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Solution

The fourth proportional to 5,657.18, 8,484.15 and 1,958.45 is: 2,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.18 : 8,484.15 = 1,958.45 : x
  2. Step 2: Convert to fraction form
    5,657.18/8,484.15 = 1,958.45/x
  3. Step 3: Cross multiply
    5,657.18x = 8,484.15 × 1,958.45
  4. Step 4: Simplify right side
    5,657.18x = 16,615,783.57
  5. Step 5: Solve for x
    x = 16,615,783.57/5,657.18
  6. Step 6: Final answer
    x = 2,937.11

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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.