Home / 5,895.08-8,130.48-5,185.40

Finding the Fourth Proportional to 5,895.08, 8,130.48 and 5,185.40

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Solution

The fourth proportional to 5,895.08, 8,130.48 and 5,185.40 is: 7,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.08 : 8,130.48 = 5,185.40 : x
  2. Step 2: Convert to fraction form
    5,895.08/8,130.48 = 5,185.40/x
  3. Step 3: Cross multiply
    5,895.08x = 8,130.48 × 5,185.40
  4. Step 4: Simplify right side
    5,895.08x = 42,159,790.99
  5. Step 5: Solve for x
    x = 42,159,790.99/5,895.08
  6. Step 6: Final answer
    x = 7,151.69

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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.