Home / 5,386.62-7,435.01-3,498.11

Finding the Fourth Proportional to 5,386.62, 7,435.01 and 3,498.11

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Solution

The fourth proportional to 5,386.62, 7,435.01 and 3,498.11 is: 4,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.62 : 7,435.01 = 3,498.11 : x
  2. Step 2: Convert to fraction form
    5,386.62/7,435.01 = 3,498.11/x
  3. Step 3: Cross multiply
    5,386.62x = 7,435.01 × 3,498.11
  4. Step 4: Simplify right side
    5,386.62x = 26,008,482.83
  5. Step 5: Solve for x
    x = 26,008,482.83/5,386.62
  6. Step 6: Final answer
    x = 4,828.35

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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.