Home / 3,955.76-5,931.44-1,358

Finding the Fourth Proportional to 3,955.76, 5,931.44 and 1,358

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Solution

The fourth proportional to 3,955.76, 5,931.44 and 1,358 is: 2,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.76 : 5,931.44 = 1,358 : x
  2. Step 2: Convert to fraction form
    3,955.76/5,931.44 = 1,358/x
  3. Step 3: Cross multiply
    3,955.76x = 5,931.44 × 1,358
  4. Step 4: Simplify right side
    3,955.76x = 8,054,895.52
  5. Step 5: Solve for x
    x = 8,054,895.52/3,955.76
  6. Step 6: Final answer
    x = 2,036.24

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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.