Home / 2,459.86-3,397.35-1,907.01

Finding the Fourth Proportional to 2,459.86, 3,397.35 and 1,907.01

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Solution

The fourth proportional to 2,459.86, 3,397.35 and 1,907.01 is: 2,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.86 : 3,397.35 = 1,907.01 : x
  2. Step 2: Convert to fraction form
    2,459.86/3,397.35 = 1,907.01/x
  3. Step 3: Cross multiply
    2,459.86x = 3,397.35 × 1,907.01
  4. Step 4: Simplify right side
    2,459.86x = 6,478,780.42
  5. Step 5: Solve for x
    x = 6,478,780.42/2,459.86
  6. Step 6: Final answer
    x = 2,633.80

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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.