Home / 7,851.93-10,835.57-4,315.09

Finding the Fourth Proportional to 7,851.93, 10,835.57 and 4,315.09

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Solution

The fourth proportional to 7,851.93, 10,835.57 and 4,315.09 is: 5,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.93 : 10,835.57 = 4,315.09 : x
  2. Step 2: Convert to fraction form
    7,851.93/10,835.57 = 4,315.09/x
  3. Step 3: Cross multiply
    7,851.93x = 10,835.57 × 4,315.09
  4. Step 4: Simplify right side
    7,851.93x = 46,756,459.75
  5. Step 5: Solve for x
    x = 46,756,459.75/7,851.93
  6. Step 6: Final answer
    x = 5,954.77

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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.