Home / 5,118.53-7,683.93-3,470.08

Finding the Fourth Proportional to 5,118.53, 7,683.93 and 3,470.08

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Solution

The fourth proportional to 5,118.53, 7,683.93 and 3,470.08 is: 5,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.53 : 7,683.93 = 3,470.08 : x
  2. Step 2: Convert to fraction form
    5,118.53/7,683.93 = 3,470.08/x
  3. Step 3: Cross multiply
    5,118.53x = 7,683.93 × 3,470.08
  4. Step 4: Simplify right side
    5,118.53x = 26,663,851.81
  5. Step 5: Solve for x
    x = 26,663,851.81/5,118.53
  6. Step 6: Final answer
    x = 5,209.28

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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.