Home / 5,035.16-6,947.13-3,149.51

Finding the Fourth Proportional to 5,035.16, 6,947.13 and 3,149.51

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Solution

The fourth proportional to 5,035.16, 6,947.13 and 3,149.51 is: 4,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035.16 : 6,947.13 = 3,149.51 : x
  2. Step 2: Convert to fraction form
    5,035.16/6,947.13 = 3,149.51/x
  3. Step 3: Cross multiply
    5,035.16x = 6,947.13 × 3,149.51
  4. Step 4: Simplify right side
    5,035.16x = 21,880,055.41
  5. Step 5: Solve for x
    x = 21,880,055.41/5,035.16
  6. Step 6: Final answer
    x = 4,345.45

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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.