Home / 1,718.34-2,574.60-1,255.46

Finding the Fourth Proportional to 1,718.34, 2,574.60 and 1,255.46

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Solution

The fourth proportional to 1,718.34, 2,574.60 and 1,255.46 is: 1,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.34 : 2,574.60 = 1,255.46 : x
  2. Step 2: Convert to fraction form
    1,718.34/2,574.60 = 1,255.46/x
  3. Step 3: Cross multiply
    1,718.34x = 2,574.60 × 1,255.46
  4. Step 4: Simplify right side
    1,718.34x = 3,232,307.32
  5. Step 5: Solve for x
    x = 3,232,307.32/1,718.34
  6. Step 6: Final answer
    x = 1,881.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.