Home / 5,167.02-7,130.93-3,178.07

Finding the Fourth Proportional to 5,167.02, 7,130.93 and 3,178.07

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Solution

The fourth proportional to 5,167.02, 7,130.93 and 3,178.07 is: 4,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.02 : 7,130.93 = 3,178.07 : x
  2. Step 2: Convert to fraction form
    5,167.02/7,130.93 = 3,178.07/x
  3. Step 3: Cross multiply
    5,167.02x = 7,130.93 × 3,178.07
  4. Step 4: Simplify right side
    5,167.02x = 22,662,543.16
  5. Step 5: Solve for x
    x = 22,662,543.16/5,167.02
  6. Step 6: Final answer
    x = 4,386.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.