Home / 6,130.32-8,457.04-3,771.60

Finding the Fourth Proportional to 6,130.32, 8,457.04 and 3,771.60

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Solution

The fourth proportional to 6,130.32, 8,457.04 and 3,771.60 is: 5,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.32 : 8,457.04 = 3,771.60 : x
  2. Step 2: Convert to fraction form
    6,130.32/8,457.04 = 3,771.60/x
  3. Step 3: Cross multiply
    6,130.32x = 8,457.04 × 3,771.60
  4. Step 4: Simplify right side
    6,130.32x = 31,896,572.06
  5. Step 5: Solve for x
    x = 31,896,572.06/6,130.32
  6. Step 6: Final answer
    x = 5,203.08

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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.