Home / 3,509.02-4,842.31-1,937.10

Finding the Fourth Proportional to 3,509.02, 4,842.31 and 1,937.10

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Solution

The fourth proportional to 3,509.02, 4,842.31 and 1,937.10 is: 2,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.02 : 4,842.31 = 1,937.10 : x
  2. Step 2: Convert to fraction form
    3,509.02/4,842.31 = 1,937.10/x
  3. Step 3: Cross multiply
    3,509.02x = 4,842.31 × 1,937.10
  4. Step 4: Simplify right side
    3,509.02x = 9,380,038.70
  5. Step 5: Solve for x
    x = 9,380,038.70/3,509.02
  6. Step 6: Final answer
    x = 2,673.12

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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.