Home / 5,653.01-7,800.95-3,135.60

Finding the Fourth Proportional to 5,653.01, 7,800.95 and 3,135.60

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Solution

The fourth proportional to 5,653.01, 7,800.95 and 3,135.60 is: 4,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.01 : 7,800.95 = 3,135.60 : x
  2. Step 2: Convert to fraction form
    5,653.01/7,800.95 = 3,135.60/x
  3. Step 3: Cross multiply
    5,653.01x = 7,800.95 × 3,135.60
  4. Step 4: Simplify right side
    5,653.01x = 24,460,643.14
  5. Step 5: Solve for x
    x = 24,460,643.14/5,653.01
  6. Step 6: Final answer
    x = 4,327.02

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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.