Home / 4,307.74-6,460.60-1,386.08

Finding the Fourth Proportional to 4,307.74, 6,460.60 and 1,386.08

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Solution

The fourth proportional to 4,307.74, 6,460.60 and 1,386.08 is: 2,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.74 : 6,460.60 = 1,386.08 : x
  2. Step 2: Convert to fraction form
    4,307.74/6,460.60 = 1,386.08/x
  3. Step 3: Cross multiply
    4,307.74x = 6,460.60 × 1,386.08
  4. Step 4: Simplify right side
    4,307.74x = 8,954,908.45
  5. Step 5: Solve for x
    x = 8,954,908.45/4,307.74
  6. Step 6: Final answer
    x = 2,078.80

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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.