Home / 3,117.90-4,652.48-3,043.80

Finding the Fourth Proportional to 3,117.90, 4,652.48 and 3,043.80

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Solution

The fourth proportional to 3,117.90, 4,652.48 and 3,043.80 is: 4,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.90 : 4,652.48 = 3,043.80 : x
  2. Step 2: Convert to fraction form
    3,117.90/4,652.48 = 3,043.80/x
  3. Step 3: Cross multiply
    3,117.90x = 4,652.48 × 3,043.80
  4. Step 4: Simplify right side
    3,117.90x = 14,161,203.41
  5. Step 5: Solve for x
    x = 14,161,203.41/3,117.90
  6. Step 6: Final answer
    x = 4,541.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.