Home / 4,929.99-6,816.51-4,307.49

Finding the Fourth Proportional to 4,929.99, 6,816.51 and 4,307.49

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Solution

The fourth proportional to 4,929.99, 6,816.51 and 4,307.49 is: 5,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.99 : 6,816.51 = 4,307.49 : x
  2. Step 2: Convert to fraction form
    4,929.99/6,816.51 = 4,307.49/x
  3. Step 3: Cross multiply
    4,929.99x = 6,816.51 × 4,307.49
  4. Step 4: Simplify right side
    4,929.99x = 29,362,048.66
  5. Step 5: Solve for x
    x = 29,362,048.66/4,929.99
  6. Step 6: Final answer
    x = 5,955.80

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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.