Home / 1,740.18-2,401.38-954.22

Finding the Fourth Proportional to 1,740.18, 2,401.38 and 954.22

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Solution

The fourth proportional to 1,740.18, 2,401.38 and 954.22 is: 1,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.18 : 2,401.38 = 954.22 : x
  2. Step 2: Convert to fraction form
    1,740.18/2,401.38 = 954.22/x
  3. Step 3: Cross multiply
    1,740.18x = 2,401.38 × 954.22
  4. Step 4: Simplify right side
    1,740.18x = 2,291,444.82
  5. Step 5: Solve for x
    x = 2,291,444.82/1,740.18
  6. Step 6: Final answer
    x = 1,316.79

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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.