Home / 3,034.47-4,187.53-1,690.07

Finding the Fourth Proportional to 3,034.47, 4,187.53 and 1,690.07

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Solution

The fourth proportional to 3,034.47, 4,187.53 and 1,690.07 is: 2,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.47 : 4,187.53 = 1,690.07 : x
  2. Step 2: Convert to fraction form
    3,034.47/4,187.53 = 1,690.07/x
  3. Step 3: Cross multiply
    3,034.47x = 4,187.53 × 1,690.07
  4. Step 4: Simplify right side
    3,034.47x = 7,077,210.38
  5. Step 5: Solve for x
    x = 7,077,210.38/3,034.47
  6. Step 6: Final answer
    x = 2,332.27

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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.