Home / 5,653.40-7,802.60-3,415.57

Finding the Fourth Proportional to 5,653.40, 7,802.60 and 3,415.57

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Solution

The fourth proportional to 5,653.40, 7,802.60 and 3,415.57 is: 4,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.40 : 7,802.60 = 3,415.57 : x
  2. Step 2: Convert to fraction form
    5,653.40/7,802.60 = 3,415.57/x
  3. Step 3: Cross multiply
    5,653.40x = 7,802.60 × 3,415.57
  4. Step 4: Simplify right side
    5,653.40x = 26,650,289.90
  5. Step 5: Solve for x
    x = 26,650,289.90/5,653.40
  6. Step 6: Final answer
    x = 4,714.03

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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.